exhaust

exhaust
exhaust [eg zôst′, igzôst′]
vt.
[< L exhaustus, pp. of exhaurire, to draw out, exhaust < ex-, out + haurire, to draw, drain < IE base * aus- > ON ausa]
1. to draw off or let out completely (air, gas, etc.), as from a container
2. to use up; expend completely [to exhaust one's resources]
3.
a) to empty completely; draw off the contents of; drain [to exhaust a well]
b) to create a vacuum in
4. to drain of power, resources, etc. [war exhausted the nation]
5. to tire out; make very weary; weaken
6. to deal with, study, or develop completely and thoroughly [to exhaust a subject]
vi.
to be discharged or let out, as gas or steam from an engine
n.
1.
a) the withdrawing of air, gas, etc. from a container or enclosure, as by means of a fan or pump
b) an apparatus for doing this, as in getting rid of fumes, dust, stale air, etc.
c) the discharge or release of used steam, gas, etc. from a steam or gas turbine or from the cylinders of an engine at the end of every working stroke of the pistons
d) the system of pipes, including mufflers, catalytic converters, etc. through which such steam, gas, etc. is released
2. something given off or let out, as fumes from a gasoline engine
exhaustibility
n.
exhaustible
adj.
exhaustless
adj.

English World dictionary. . 2014.

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  • Exhaust — Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913 Webster]… …   The Collaborative International Dictionary of English

  • Exhaust — may refer to:In mathematics: *Proof by exhaustion, proof by examining all individual cases *Exhaustion by compact sets, in analysis, a sequence of compact sets that converges on a given set *Collectively exhaustive, in probability and set theory …   Wikipedia

  • Exhaust — Ex*haust , v. t. [imp. & p. p. {Exhausted}; p. pr. & vb. n. {Exhausting}.] [L. exhaustus, p. p. of exhaurire; ex out + haurire, haustum, to draw, esp. water; perhaps akin to Icel. asua to sprinkle, pump.] 1. To draw or let out wholly; to drain… …   The Collaborative International Dictionary of English

  • exhaust — ex‧haust [ɪgˈzɔːst ǁ ˈzɒːst] verb [transitive] 1. if you exhaust a supply of something, you use it all, so that there is none left: • The museum was unable to buy the painting as its funds were exhausted by the purchase of two huge albums of… …   Financial and business terms

  • exhaust — ex·haust vt: to use up or consume entirely: as a: to try all of (available remedies) the applicant has exhaust ed the remedies available in the court of the State U.S. Code b: to bring (a claim) through all available prior levels of review each… …   Law dictionary

  • exhaust — [v1] tire or wear out bankrupt, burn out*, conk out*, cripple, debilitate, disable, do in*, drain, draw, enervate, enfeeble, fag, fatigue, frazzle, impoverish, overdo, overexert, overextend, overfatigue, overtire, overwork, peter out*, poop*,… …   New thesaurus

  • Exhaust — Ex*haust , n. (Steam Engine) 1. The steam let out of a cylinder after it has done its work there. [1913 Webster] 2. The foul air let out of a room through a register or pipe provided for the purpose. [1913 Webster] …   The Collaborative International Dictionary of English

  • exhaust — (v.) 1530s, to draw off or out, to use up completely, from L. exhaustus, pp. of exhaurire draw off, take away, use up, from ex off (see EX (Cf. ex )) + haurire to draw up (as water), from PIE *aus to draw water. Of resources, etc., from 1630s.… …   Etymology dictionary

  • exhaust — vb 1 drain, *deplete, impoverish, bankrupt Analogous words: sap, undermine, *weaken: consume, absorb, engross, *monopolize: dissipate, disperse, dispel, *scatter Contrasted words: conserve, preserve, * …   New Dictionary of Synonyms

  • exhaust — ► VERB 1) tire out completely. 2) use up (resources or reserves) completely. 3) explore (a subject) thoroughly. 4) expel (gas or steam) from an engine or other machine. ► NOUN 1) waste gases or air expelled from an engine or other machine. 2) …   English terms dictionary

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